Standard or Nonstandard |
Standard/non-standard |
Colour |
Any color is OK |
Material Type |
NBR, EPDM, SILICONE(VMQ), FKM, AFLAS, FFKM, PTFE, HNBR |
Size |
AS568 8 PG Standard Size |
Hardness Range |
20-90 Shore A |
Application |
For all industries |
OEM ODM |
Available |
Certificate |
IATF 16949/WRAS/ROHS/AS4020/ACS/REACH/PAHS/EN681/W270/KTW/NSF-61 |
Application |
Car/Engineering pipeline/Connection valve ports/Bathroom supplies |
Our Advantages
As all raw materials are bought from foreign famous factories, latest managerial operation model makes the products from the company match the equivalent under the international standard level with the advanced producing machine and test equipment
The operation system chasing for low cost of the product provides the customers with reasonable price products. And it can provide many kinds of factories with relative products under the help of powerful research and developing human resource
EPDM O-Ring
TEMP:-55℃~+150℃
HARDNESS:25-95°(SHA)
PERFORMANCE:CHEMICAL RESISTANCE、HIGH TEMPERATURE RESISTANCE、HAVING UNIFORMITY
BROWN / OTHER COLORS CAN BE CUSTOMIZED
FKM O-Ring
TEMP:-50℃~+220℃
HARDNESS:60-90(SHA)
PERFORMANCE:CHEMICAL RESISTANCE、HIGH TEMPERATURE RESISTANCE、HAVING UNIFORMITY
BROWN / OTHER COLORS CAN BE CUSTOMIZED
NBR O-Ring
TEMP:-25℃~+100℃
HARDNESS:25-95(SHA)PERFORMANCE:OIL ABRASION AND WATER RESISTANT SEAL
BLACK OTHER COLORS CAN BE CUSTOMIZED
SILICONE(VMQ) O-Ring
TEMP:-50℃~+220℃
HARDNESS:60-80(SHA)PERFORMANCE:TEMPERATURE RESISTANCE, ENVIRONMENTAL PROTECTION, ELASTICITY
WHITE / OTHER COLORS CAN BE CUSTOMIZED
FFKM O-Ring
TEMP:-30℃~+120℃
HARDNESS:50-90°(SHA)
PERFORMANCE:CHEMICAL RESISTANCE、HIGH TEMPERATURE RESISTANCE、HAVING UNIFORMITYCUSTOMIZED COLOR
Maihua presents a versatile line of Metric Inch Sizes Small Section Rubber Seal O-rings engineered for demanding sealing applications across industries. These precision molded sealing components—available in FKM O-Ring, FFKM seal, EPDM gasket, and Silicone rubber O-ring materials—deliver reliable performance in dynamic and static sealing scenarios. Designed for compatibility with metric and inch housings, those small section rubber seals combine compact cross-sections with material science to meet tight space constraints while maintaining robust leak prevention and long service life.
Product Features and Material Options
- FKM O-Ring: Maihua’s FKM O-Ring options offer superior chemical resistance, high temperature stability, and excellent compression set resistance. The FKM O-Ring selection is ideal for applications involving fuels, oils, hydraulic fluids, and many aggressive chemicals. Manufacturing tolerances ensure repeatable sealing loads, while the FKM O-Ring’s low gas permeability and swelling resistance enhance reliability in critical systems.
- FFKM seal: For the harshest chemical environments, the FFKM seal is the premium choice. Maihua’s FFKM seal formulation withstands extreme oxidizers, acids, and solvents while maintaining seal integrity at elevated temperatures. The FFKM seal provides exceptional thermal decomposition resistance and long-term stability where conventional elastomers fail.
- EPDM gasket: Maihua EPDM gasket components offer outstanding resistance to weathering, steam, hot water, and polar chemicals. The EPDM gasket is a cost-effective option for outdoor equipment, HVAC systems, and appliances that require resistance to ozone, UV exposure, and aging, while also providing excellent flexibility at low temperatures.
- Silicone rubber O-ring: The Silicone rubber O-ring from Maihua ensures broad temperature range performance, wide elastomeric flexibility, and biocompatibility where needed. Silicone rubber O-ring variants provide steady sealing force in cryogenic and high-temperature settings and are commonly used in food, medical, and electronics assemblies for their inert nature and low toxicity.
Applications
Maihua’s small section rubber seals fit a broad array of applications. The compact FKM O-Ring variants are frequently specified for automotive fuel systems, hydraulic cylinders, and industrial pumps where resistance to fuels and synthetic oils is required. Facilities with aggressive process fluids rely on the FFKM seal in chemical processing, pharmaceutical manufacturing, and semiconductor fabrication equipment. The EPDM gasket performs reliably in HVAC assemblies, water handling systems, and outdoor enclosures. The Silicone rubber O-ring is commonly used in medical devices, food processing machinery, aerospace cabin components, and temperature-cycling assemblies.
Design and Dimensional Advantages
The small section geometry optimizes Sealability in narrow gland designs and minimizes extrusion risk when properly supported. Maihua offers both metric and inch nominal sizes, enabling interchangeability and straightforward retrofits. Tight dimensional control during molding leads to consistent cross-section profiles so that FKM O-Ring, FFKM seal, EPDM gasket, and Silicone rubber O-ring parts deliver predictable compression set and leak-tight performance across production batches. Multishore hardness options are available to match sealing load requirements while preserving flexibility for dynamic movements.
Performance and Durability
Maihua’s material formulations and quality control processes extend the working life of each seal type. The FKM O-Ring exhibits excellent resistance to hydrocarbons and thermal aging, making it suitable for long duty cycles. The FFKM seal’s engineered polymer matrix resists chemical attack that degrades conventional elastomers, enabling fewer maintenance cycles in critical systems. EPDM gasket compounds resist ozone and thermal cracking, preserving function in outdoor or steam-exposed applications. The Silicone rubber O-ring retains elasticity across wide temperatures, reducing the risk of brittle failure or loss of sealing contact in thermal extremes.
Manufacturing and Quality Control
Maihua controls the molding and post-curing processes to achieve optimal cross-link density and minimize flash. Each FKM O-Ring, FFKM seal, EPDM gasket, and Silicone rubber O-ring is produced under controlled conditions with verification steps including dimensional inspection, hardness testing, and, when required, compression set and leak verification. This thorough production approach reduces variability and supports demanding industry specifications. Maihua also offers custom compound development and dedicated tooling for OEM volumes, ensuring that FKM O-Ring, FFKM seal, EPDM gasket, and Silicone rubber O-ring parts meet application-specific chemical and mechanical demands.
Technical Advantages and Innovation
Maihua invests in compound science and molding precision to elevate standard sealing solutions. The FKM O-Ring family benefits from optimized crosslinking and additives that reduce permeability while preserving flexibility. Maihua’s FFKM seal development focuses on blending high-temperature fluoro-elastomer backbones with stabilizers that extend resistance to oxidative degradation. EPDM gasket innovations center on modified polymer blends that improve steam resistance and mechanical fatigue life. For the Silicone rubber O-ring, Maihua employs formulations that balance tear resistance and compression set, achieving stable sealing under compression and dynamic flexing. Across all materials, Maihua applies surface finish control and dimensional tightness to maximize sealing area contact and avoid micro-leakage.
Compatibility and Chemical Resistance
Detailed chemical compatibility makes selection straightforward. The FKM O-Ring is recommended where hydrocarbon resistance is required and moderate temperature stability is necessary. The FFKM seal is the go-to for aggressive solvents, acids, and high-temperature service. The EPDM gasket is preferred for aqueous systems, steam, and polar chemicals, while the Silicone rubber O-ring is suitable for neutral fluids and applications where biocompatibility and extreme temperature tolerance are important. Maihua supplies guidance and compatibility charts to assist engineers in selecting the proper FKM O-Ring, FFKM seal, EPDM gasket, or Silicone rubber O-ring for their media and operating conditions.
Customization and Services
Maihua supports custom dimensions, alternate hardnesses, color coding, and secondary operations like bonding, lubrication, and sterilization for the Silicone rubber O-ring line. Prototype runs and sample programs reduce time-to-market for new designs. Whether the requirement calls for metric or inch sizing, Maihua’s capabilities deliver repeatable FKM O-Ring, FFKM seal, EPDM gasket, and Silicone rubber O-ring solutions tailored to application-specific pressures, temperatures, and chemical exposures.
Why Choose Maihua
Selecting Maihua means choosing a partner with an emphasis on material science, manufacturing precision, and application-driven support. Maihua’s FKM O-Ring, FFKM seal, EPDM gasket, and Silicone rubber O-ring products combine compact small section profiles with proven compound technologies to deliver dependable sealing performance. For engineers and procurement teams seeking durable, chemically compatible, and precisely dimensioned O-rings and gaskets, Maihua provides a comprehensive portfolio backed by quality control and customization services.
Conclusion
Maihua’s Metric Inch Sizes Small Section Rubber Seal O-Rings provide a robust spectrum of sealing options across FKM O-Ring, FFKM seal, EPDM gasket, and Silicone rubber O-ring materials. Engineered for tight spaces, chemical resilience, thermal endurance, and dimensional accuracy, these small section seals are suited to automotive, chemical processing, HVAC, medical, and general industrial applications. With Maihua’s commitment to materials expertise and production consistency, customers receive reliable sealing solutions that reduce downtime and enhance system performance.